cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A377864 Largest divisor of 2n-1 less than or equal to sqrt(2n-1).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 1
8 3
9 1
10 1
11 3
12 1
13 5
14 3
15 1
16 1
17 3
18 5
19 1
20 3
21 1
22 1
23 5
24 1
25 7
26 3
27 1
28 5
29 3
30 1
31 1
32 7
33 5
34 1
35 3
36 1
37 1
38 5
39 7
40 1
41 9
42 1
43 5
44 3
45 1
46 7
47 3
48 5
49 1
50 9
51 1
52 1
53 7
54 1
55 1
56 3
57 1
58 5
59 9
60 7
61 11
62 3
63 5
64 1
65 3
66 1
67 7
68 9
69 1
70 1
71 3
72 11
73 5
74 7
75 1
76 1
77 9
78 5
79 1
80 3
81 7
82 1
83 11
84 1
85 13
86 9

List of values

[1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 5, 3, 1, 1, 3, 5, 1, 3, 1, 1, 5, 1, 7, 3, 1, 5, 3, 1, 1, 7, 5, 1, 3, 1, 1, 5, 7, 1, 9, 1, 5, 3, 1, 7, 3, 5, 1, 9, 1, 1, 7, 1, 1, 3, 1, 5, 9, 7, 11, 3, 5, 1, 3, 1, 7, 9, 1, 1, 3, 11, 5, 7, 1, 1, 9, 5, 1, 3, 7, 1, 11, 1, 13, 9]